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error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/trait-error.rs:5:6
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LL | [Foo(String::new()); 4];
| ^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
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note: required for `Foo<String>` to implement `Copy`
--> $DIR/trait-error.rs:1:10
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LL | #[derive(Copy, Clone)]
| ^^^^ unsatisfied trait bound introduced in this `derive` macro
= note: the `Copy` trait is required because this value will be copied for each element of the array
help: create an inline `const` block
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LL | [const { Foo(String::new()) }; 4];
| +++++++ +
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
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